diff --git a/tests/tst_docks.cpp b/tests/tst_docks.cpp
index 7de33122..3b82121d 100644
--- a/tests/tst_docks.cpp
+++ b/tests/tst_docks.cpp
@@ -5439,7 +5439,9 @@ void TestDocks::tst_maximumSizePolicy()
     dock1->show();
     auto oldFw2 = dock1->window();
 
-    QVERIFY(dock1->window()->height() <= maxHeight + 20); // + 20 as the floating window is a bit bigger, due to margins etc.
+
+    const int tollerance = 50;
+    QVERIFY(dock1->window()->height() <= maxHeight + tollerance); // +tollerance as the floating window is a bit bigger, due to margins etc.
     QVERIFY(dock1->height() <= maxHeight);
 
     auto m1 = createMainWindow();
@@ -5451,7 +5453,7 @@ void TestDocks::tst_maximumSizePolicy()
     dock1->window()->resize(QSize(dock1->width(), 800));
 
     const QRect highlightRect = m1->multiSplitter()->rectForDrop(dock1->window(), Location_OnBottom, nullptr);
-    QVERIFY(highlightRect.height() <= maxHeight + 20);
+    QVERIFY(highlightRect.height() <= maxHeight + tollerance);
 
     // Now drop it, and check too
     m1->addDockWidget(dock1, Location_OnBottom);